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Pre-IFS commit. Commit IFS-aware fsck and mount utilities.

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mount_ifs: repocopy of sbin/mount, with most of the intelligence ripped out
           and "ufs" replaced with "ifs" in the right places. It will only
           mount a single filesystem, rather than the -t <type> magic that
           our real mount does.

fsck_ifs:  repocopy of sbin/fsck_ffs, but the directory structure stuff
           (pass2 and some refcount checks) has been #ifdef'ed out.

src/sbin/Makefile: Build these two utilities

There is probably cruft code left in both which can be removed at a later
date, especially in mount_ifs, but I trust that people will not try
mount_ifs -a ..

Note: there are no man pages installed for these two commands as I haven't
actually written them yet.
This commit is contained in:
Adrian Chadd 2000-10-14 02:44:56 +00:00
parent d1eefff418
commit 5332f2e5d8
10 changed files with 37 additions and 302 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sbin/Makefile
View File

@ -17,6 +17,7 @@ SUBDIR= adjkerntz \
dumpfs \
dumpon \
fsck \
fsck_ifs \
fsck_ffs \
fsdb \
fsirand \
@ -37,6 +38,7 @@ SUBDIR= adjkerntz \
mount \
mount_cd9660 \
mount_ext2fs \
mount_ifs \
mount_msdos \
mount_nfs \
mount_ntfs \

6
sbin/fsck_ifs/Makefile
View File

@ -1,10 +1,8 @@
# $FreeBSD$
# @(#)Makefile 8.2 (Berkeley) 4/27/95
PROG= fsck_ffs
LINKS+= ${BINDIR}/fsck_ffs ${BINDIR}/fsck_ufs
LINKS+= ${BINDIR}/fsck_ffs ${BINDIR}/fsck_4.2bsd
MAN8= fsck_ffs.8
PROG= fsck_ifs
NOMAN= true
SRCS= dir.c fsutil.c inode.c main.c pass1.c pass1b.c pass2.c pass3.c pass4.c \
pass5.c setup.c utilities.c ffs_subr.c ffs_tables.c
CFLAGS+=-W

7
sbin/fsck_ifs/main.c
View File

@ -241,9 +241,12 @@ checkfilesys(filesys, mntpt, auxdata, child)
/*
* 2: traverse directories from root to mark all connected directories
*/
#ifdef NOTFORIFS
if (preen == 0)
printf("** Phase 2 - Check Pathnames\n");
pass2();
#endif
printf("** Skipping phase 2 for IFS\n");
/*
* 3: scan inodes looking for disconnected directories
@ -345,7 +348,7 @@ checkfilesys(filesys, mntpt, auxdata, child)
args.fspec = 0;
args.export.ex_flags = 0;
args.export.ex_root = 0;
ret = mount("ufs", mntbuf->f_mntonname,
ret = mount("ifs", mntbuf->f_mntonname,
mntbuf->f_flags | MNT_UPDATE | MNT_RELOAD, &args);
if (ret == 0)
return (0);
@ -380,7 +383,7 @@ getmntpt(name)
return (NULL);
mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
for (i = 0; i < mntsize; i++) {
if (strcmp(mntbuf[i].f_fstypename, "ufs") != 0)
if (strcmp(mntbuf[i].f_fstypename, "ifs") != 0)
continue;
devname = mntbuf[i].f_mntfromname;
if (*devname != '/') {

5
sbin/fsck_ifs/pass4.c
View File

@ -73,9 +73,12 @@ pass4()
case DFOUND:
n = inoinfo(inumber)->ino_linkcnt;
if (n) {
#if NOTFORIFS
adjust(&idesc, (short)n);
#endif
break;
}
#if NOTFORIFS
for (zlnp = zlnhead; zlnp; zlnp = zlnp->next) {
if (zlnp->zlncnt == inumber) {
zlnp->zlncnt = zlnhead->zlncnt;
@ -86,10 +89,10 @@ pass4()
break;
}
}
#endif
break;
case DSTATE:
clri(&idesc, "UNREF", 1);
break;
case DCLEAR:

2
sbin/fsck_ifs/setup.c
View File

@ -292,10 +292,12 @@ setup(dev)
}
numdirs = sblock.fs_cstotal.cs_ndir;
dirhash = numdirs;
#if NOTFORIFS
if (numdirs == 0) {
printf("numdirs is zero, try using an alternate superblock\n");
goto badsb;
}
#endif
inplast = 0;
listmax = numdirs + 10;
inpsort = (struct inoinfo **)calloc((unsigned)listmax,

6
sbin/mount_ifs/Makefile
View File

@ -1,9 +1,9 @@
# @(#)Makefile 8.6 (Berkeley) 5/8/95
# $FreeBSD$
PROG= mount
SRCS= mount.c mount_ufs.c getmntopts.c vfslist.c
MAN8= mount.8
PROG= mount_ifs
SRCS= mount.c mount_ufs.c getmntopts.c
NOMAN= true
# We do NOT install the getmntopts.3 man page.
.include <bsd.prog.mk>

6
sbin/mount_ifs/extern.h
View File

@ -26,9 +26,5 @@
* $FreeBSD$
*/
/* vfslist.c */
int checkvfsname __P((const char *, const char **));
const char **makevfslist __P((char *));
/* mount_ufs.c */
int mount_ufs __P((int, char *const *));
int mount_ifs __P((int, char *const *));

185
sbin/mount_ifs/mount.c
View File

@ -134,179 +134,8 @@ main(argc, argv)
int all, ch, i, init_flags, mntsize, rval, have_fstab;
char *options;
all = init_flags = 0;
options = NULL;
vfslist = NULL;
vfstype = "ufs";
while ((ch = getopt(argc, argv, "adfo:prwt:uv")) != -1)
switch (ch) {
case 'a':
all = 1;
break;
case 'd':
debug = 1;
break;
case 'f':
init_flags |= MNT_FORCE;
break;
case 'o':
if (*optarg)
options = catopt(options, optarg);
break;
case 'p':
fstab_style = 1;
verbose = 1;
break;
case 'r':
init_flags |= MNT_RDONLY;
break;
case 't':
if (vfslist != NULL)
errx(1, "only one -t option may be specified");
vfslist = makevfslist(optarg);
vfstype = optarg;
break;
case 'u':
init_flags |= MNT_UPDATE;
break;
case 'v':
verbose = 1;
break;
case 'w':
init_flags &= ~MNT_RDONLY;
break;
case '?':
default:
usage();
/* NOTREACHED */
}
argc -= optind;
argv += optind;
#define BADTYPE(type) \
(strcmp(type, FSTAB_RO) && \
strcmp(type, FSTAB_RW) && strcmp(type, FSTAB_RQ))
rval = 0;
switch (argc) {
case 0:
if ((mntsize = getmntinfo(&mntbuf, MNT_NOWAIT)) == 0)
err(1, "getmntinfo");
if (all) {
while ((fs = getfsent()) != NULL) {
if (BADTYPE(fs->fs_type))
continue;
if (checkvfsname(fs->fs_vfstype, vfslist))
continue;
if (hasopt(fs->fs_mntops, "noauto"))
continue;
if (!(init_flags & MNT_UPDATE) &&
ismounted(fs, mntbuf, mntsize))
continue;
if (mountfs(fs->fs_vfstype, fs->fs_spec,
fs->fs_file, init_flags, options,
fs->fs_mntops))
rval = 1;
}
} else if (fstab_style) {
for (i = 0; i < mntsize; i++) {
if (checkvfsname(mntbuf[i].f_fstypename, vfslist))
continue;
putfsent(&mntbuf[i]);
}
} else {
for (i = 0; i < mntsize; i++) {
if (checkvfsname(mntbuf[i].f_fstypename,
vfslist))
continue;
prmount(&mntbuf[i]);
}
}
exit(rval);
case 1:
if (vfslist != NULL)
usage();
if (init_flags & MNT_UPDATE) {
mntfromname = NULL;
have_fstab = 0;
if ((mntbuf = getmntpt(*argv)) == NULL)
errx(1, "not currently mounted %s", *argv);
/*
* Only get the mntflags from fstab if both mntpoint
* and mntspec are identical. Also handle the special
* case where just '/' is mounted and 'spec' is not
* identical with the one from fstab ('/dev' is missing
* in the spec-string at boot-time).
*/
if ((fs = getfsfile(mntbuf->f_mntonname)) != NULL) {
if (strcmp(fs->fs_spec,
mntbuf->f_mntfromname) == 0 &&
strcmp(fs->fs_file,
mntbuf->f_mntonname) == 0) {
have_fstab = 1;
mntfromname = mntbuf->f_mntfromname;
} else if (argv[0][0] == '/' &&
argv[0][1] == '\0') {
fs = getfsfile("/");
have_fstab = 1;
mntfromname = fs->fs_spec;
}
}
if (have_fstab) {
options = update_options(options, fs->fs_mntops,
mntbuf->f_flags);
} else {
mntfromname = mntbuf->f_mntfromname;
options = update_options(options, NULL,
mntbuf->f_flags);
}
rval = mountfs(mntbuf->f_fstypename, mntfromname,
mntbuf->f_mntonname, init_flags, options, 0);
break;
}
rmslashes(*argv, *argv);
if ((fs = getfsfile(*argv)) == NULL &&
(fs = getfsspec(*argv)) == NULL)
errx(1, "%s: unknown special file or file system",
*argv);
if (BADTYPE(fs->fs_type))
errx(1, "%s has unknown file system type",
*argv);
rval = mountfs(fs->fs_vfstype, fs->fs_spec, fs->fs_file,
init_flags, options, fs->fs_mntops);
break;
case 2:
/*
* If -t flag has not been specified, the path cannot be
* found, spec contains either a ':' or a '@', and the
* spec is not a file with those characters, then assume
* that an NFS filesystem is being specified ala Sun.
*/
if (vfslist == NULL && strpbrk(argv[0], ":@") != NULL &&
access(argv[0], 0) == -1)
vfstype = "nfs";
rval = mountfs(vfstype,
argv[0], argv[1], init_flags, options, NULL);
break;
default:
usage();
/* NOTREACHED */
}
/*
* If the mount was successfully, and done by root, tell mountd the
* good news. Pid checks are probably unnecessary, but don't hurt.
*/
if (rval == 0 && getuid() == 0 &&
(mountdfp = fopen(_PATH_MOUNTDPID, "r")) != NULL) {
if (fscanf(mountdfp, "%d", &pid) == 1 &&
pid > 0 && kill(pid, SIGHUP) == -1 && errno != ESRCH)
err(1, "signal mountd");
(void)fclose(mountdfp);
}
exit(rval);
mount_ifs(argc, argv);
/* NOTREACHED */
}
int
@ -440,8 +269,8 @@ mountfs(vfstype, spec, name, flags, options, mntopts)
free(optbuf);
return (1);
case 0: /* Child. */
if (strcmp(vfstype, "ufs") == 0)
exit(mount_ufs(argc, (char * const *) argv));
if (strcmp(vfstype, "ifs") == 0)
exit(mount_ifs(argc, (char * const *) argv));
/* Go find an executable. */
for (edir = edirs; *edir; edir++) {
@ -688,10 +517,8 @@ void
usage()
{
(void)fprintf(stderr, "%s\n%s\n%s\n",
"usage: mount [-dfpruvw] [-o options] [-t ufs | external_type] special node",
" mount [-adfpruvw] [-t ufs | external_type]",
" mount [-dfpruvw] special | node");
(void)fprintf(stderr, "%s\n",
"usage: mount [-dfpruvw] [-o options] special node");
exit(1);
}

24
sbin/mount_ifs/mount_ufs.c
View File

@ -58,7 +58,7 @@ static const char rcsid[] =
#include "extern.h"
#include "mntopts.h"
static void ufs_usage __P((void));
static void ifs_usage __P((void));
static struct mntopt mopts[] = {
MOPT_STDOPTS,
@ -71,7 +71,7 @@ static struct mntopt mopts[] = {
};
int
mount_ufs(argc, argv)
mount_ifs(argc, argv)
int argc;
char * const argv[];
{
@ -90,13 +90,13 @@ mount_ufs(argc, argv)
break;
case '?':
default:
ufs_usage();
ifs_usage();
}
argc -= optind;
argv += optind;
if (argc != 2)
ufs_usage();
ifs_usage();
args.fspec = argv[0]; /* The name of the device file. */
fs_name = argv[1]; /* The mount point. */
@ -108,17 +108,17 @@ mount_ufs(argc, argv)
else
args.export.ex_flags = 0;
error = getvfsbyname("ufs", &vfc);
if (error && vfsisloadable("ufs")) {
if (vfsload("ufs")) {
warn("vfsload(ufs)");
error = getvfsbyname("ifs", &vfc);
if (error && vfsisloadable("ifs")) {
if (vfsload("ifs")) {
warn("vfsload(ifs)");
return (1);
}
endvfsent(); /* flush old table */
error = getvfsbyname("ufs", &vfc);
error = getvfsbyname("ifs", &vfc);
}
if (error) {
warnx("ufs filesystem is not available");
warnx("ifs filesystem is not available");
return (1);
}
@ -147,8 +147,8 @@ mount_ufs(argc, argv)
}
static void
ufs_usage()
ifs_usage()
{
(void)fprintf(stderr, "usage: mount_ufs [-o options] special node\n");
(void)fprintf(stderr, "usage: mount_ifs [-o options] special node\n");
exit(1);
}

96
sbin/mount_ifs/vfslist.c
View File

@ -1,96 +0,0 @@
/*-
* Copyright (c) 1995
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)vfslist.c 8.1 (Berkeley) 5/8/95";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <err.h>
#include <stdlib.h>
#include <string.h>
#include "extern.h"
static int skipvfs;
int
checkvfsname(vfsname, vfslist)
const char *vfsname;
const char **vfslist;
{
if (vfslist == NULL)
return (0);
while (*vfslist != NULL) {
if (strcmp(vfsname, *vfslist) == 0)
return (skipvfs);
++vfslist;
}
return (!skipvfs);
}
const char **
makevfslist(fslist)
char *fslist;
{
const char **av;
int i;
char *nextcp;
if (fslist == NULL)
return (NULL);
if (fslist[0] == 'n' && fslist[1] == 'o') {
fslist += 2;
skipvfs = 1;
}
for (i = 0, nextcp = fslist; *nextcp; nextcp++)
if (*nextcp == ',')
i++;
if ((av = malloc((size_t)(i + 2) * sizeof(char *))) == NULL) {
warnx("malloc failed");
return (NULL);
}
nextcp = fslist;
i = 0;
av[i++] = nextcp;
while ((nextcp = strchr(nextcp, ',')) != NULL) {
*nextcp++ = '\0';
av[i++] = nextcp;
}
av[i++] = NULL;
return (av);
}